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Keywords: Systems Administrator (TS/SCI), Location: Arlington, VA

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Windows Systems Administrator

Description We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services... be considered in lieu of degree. An active TS/SCI security clearance is required for this position. Currently possess DoD 8750...

Company: Leidos
Location: Arlington, VA
Posted Date: 03 Sep 2025
Salary: $72150 - 130425 per year

Systems Administrator (TS/SCI)

Koniag Data Solutions, LLC, a Koniag Government Services company, is seeking a Systems Administrator with an active Top... Science, or related field (or equivalent experience). More than 6 years of proven experience as a Systems Administrator...

Posted Date: 28 Aug 2025

Citrix Systems Administrator

a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The Administrator will provide...+ years of experience supervising or leading teams or projects. Clearance Active TS/SCI clearance with Polygraph...

Company: Leidos
Location: Arlington, VA
Posted Date: 08 Oct 2025
Salary: $89700 - 162150 per year

System Security Administrator - Sr Principal (w/ active TS)

System Security Administrator - Sr Principal (w/ active TS) Location: Arlington, VA Clearance: TS/SCI Schedule: TBD... Full-time JOB DESCRIPTION Critical Solutions is seeking an experienced Systems Security Administrator to support...

Location: Arlington, VA
Posted Date: 03 Oct 2025

System Security Administrator - Principal (w/ active TS)

System Security Administrator - Principal (w/ active TS) Location: Arlington, VA Clearance: TS/SCI Schedule: TBD... Full-time JOB DESCRIPTION Critical Solutions is seeking an experienced Systems Security Administrator to support...

Location: Arlington, VA
Posted Date: 03 Oct 2025

System Administrator

for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology... security clearance with the ability to obtain and maintain a TS/SCI with Polygraph security clearance Experience in system...

Company: Leidos
Location: Arlington, VA
Posted Date: 02 Oct 2025
Salary: $72150 - 130425 per year

Network/System Administrator (Net/Sys Admin) II

Clearance: Current - Secret Must be able to obtain - TS/SCI Willingness to submit to a Counterintelligence polygraph...: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: Arlington, VA
Posted Date: 28 Sep 2025
Salary: $90610 - 122590 per year

Systems Administrator

Responsibilities Peraton is seeking a motivated and driven Systems Administrator to join our dynamic in Arlington, VA... for the delivery of system, network, software, and security solutions. The Systems Administrator is responsible...

Company: Peraton
Location: Arlington, VA
Posted Date: 09 Sep 2025
Salary: $104000 - 166000 per year

System Administrator

of Intelligence disciplines, such as SI, ELINT, or HUMINT Knowledge of MI systems and equipment TS/SCI clearance Bachelor's degree... and may need to meet eligibility requirements for access to classified information; TS/SCI clearance...

Location: Arlington, VA
Posted Date: 27 Aug 2025
Salary: $77600 - 176000 per year

Windows Systems Administrator

to mission partners TS/SCI w/CI Poly Preferred Integration of Network Management (NM) and Element Management (EM) systems...We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO...

Company: Leidos
Location: Arlington, VA
Posted Date: 18 Jul 2025
Salary: $72150 - 130425 per year

Senior Linux Administrator *******Requires Current US Security clearance

in Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities in the... - Must have an active DoD Secret clearance, TS/SCI clearance is preferred. - Must be able to obtain DHS Suitability. - 5+ years...

Location: Arlington, VA
Posted Date: 11 Sep 2025
Salary: $100000 - 120000 per year

Firewall Administrator

+ years of relevant experience DOD 8140 IAT II TS/SCI Knowledge, Skills, and Abilities: Knowledge of Palo Alto Networks...Job Description: Summary Firewall Administrator Arlington, VA Are you ready to enhance your skills and build...

Company: Chenega
Location: Arlington, VA
Posted Date: 03 Oct 2025

Network Operations Center (NOC) Administrator

must possess an active DOD TS/SCI level security clearance, and be eligible to obtain and maintain a CI Poly Ability to work... and DISA’s support to mission partners TS/SCI w/CI Poly Preferred Come break things (in a good way). Then build them...

Company: Leidos
Location: Arlington, VA
Posted Date: 03 Oct 2025
Salary: $89700 - 162150 per year

Network Operations Center (NOC) Administrator

must possess an active DOD TS/SCI level security clearance, and be eligible to obtain and maintain a CI Poly Ability to work... and DISA’s support to mission partners TS/SCI w/CI Poly Preferred Come break things (in a good way). Then build them...

Company: Leidos
Location: Arlington, VA
Posted Date: 03 Oct 2025
Salary: $89700 - 162150 per year

Information Technology (IT) Administrator

must have at least an active Secret clearance and be able to obtain a clearance at the TS/SCI level. Preference will be given to those who... have an active TS/SCI clearance. Applicants must be able to submit documentation establishing U.S. Person status upon hiring. All ISA...

Posted Date: 02 Oct 2025

Senior Networking Administrator - Network Engineer

Job: Senior Networking Administrator - Network Engineer (TS/SCI Security Clearance Required, Swing-Shift) Location... Administrator - Network Engineer role. This swing-shift position requires an active TS/SCI security clearance and offers a unique...

Posted Date: 16 Sep 2025

Senior Executive Admin

Overview American Systems seeks an exceptionally well qualified DOD Senior Executive Administrator (Top Secret/SCI.... Qualifications Bachelor's degree and 10 years of related work experience TS/SCI clearance 10 Years of experience as an Executive...

Company: American Systems
Location: Arlington, VA
Posted Date: 17 Sep 2025
Salary: $89800 per year

Senior Executive Admin

Overview: American Systems seeks an exceptionally well qualified DOD Senior Executive Administrator (Top Secret/SCI.... Qualifications: Bachelor's degree and 10 years of related work experience TS/SCI clearance 10 Years of experience as an Executive...

Company: American Systems
Location: Arlington, VA
Posted Date: 17 Sep 2025
Salary: $89800 per year

Mid-Level Linux Administration *******Requires Current US Security clearance

in Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities in the...: - U.S. Citizenship - Must have an active DoD Secret clearance, TS/SCI clearance is preferred. - Must be able to obtain DHS Suitability...

Location: Arlington, VA
Posted Date: 11 Sep 2025
Salary: $80000 - 95000 per year

Lab Manager II

is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design... continuity of the customer mission. Eligibility: Must be a US Citizen Must have an active Secret clearance, TS/SCI...

Company: Solutions3
Location: Arlington, VA
Posted Date: 01 Oct 2025